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A239074 as a simple table

na(n)
12
22
36
42
56
66
76
82
918
106
112
1218
136
1418
1554
162
176
1854
196
206
2190
222
232
2454
2554
2618
2754
2818
296
30162
316
322
3318
346
3518
361458
3718
3818
39162
4018
412
42810
436
4418
451458
462
476
48486
4918
50162
51486
5254
536
54486
5518
5654
57162
5818
592
604374
616
6218
632430
646
6554
66162
6718
6818
6918
7054

[2,2,6,2,6,6,6,2,18,6,2,18,6,18,54,2,6,54,6,6,90,
 2,2,54,54,18,54,18,6,162,6,2,18,6,18,1458,18,18,
 162,18,2,810,6,18,1458,2,6,486,18,162,486,54,6,
 486,18,54,162,18,2,4374,6,18,2430,6,54,162,18,18,
 18,54]